Fallout 4 DDS Header Info

Byte @ file offset +18 is always 01

First dimension starts @ file offset +0C. For => 256 res, file offset is +0C & +0D

Second dimension starts @ file offset +10


Bytes are in reverse reading order in hex viewer. Start from beginning of header:

[4]x[4] .dds 			 = 44 44 53 20 7C 00 00 00 07 10 0A 00 [04 00] 00 00 [04 00] 00 00 08 00 00 00 01

[4096]x[4096] .dds = 44 44 53 20 7C 00 00 00 07 10 0A 00 [00 10] 00 00 [00 10] 00 00 00 00 00 01 01


Size = In Hex = As read in hex viewer:

1 = 01 = 01
2 = 02 = 02
4 = 04 = 04
16 = 10 = 10
32 = 20 = 20
64 = 40 = 40
128 = 80 = 80
256 = 100 = 00 01
512 = 200 = 00 02
1024 = 400 = 00 04
2048 = 800 = 00 08
4096 = 1000 = 00 10
8192 = 2000 = 00 20
16384 = 4000 = 00 40